Unko Men's Leisure Cotton Retro Trim Fit Jeans Denim Suit Jacket 70%Cotton Made and ship from China, so size is smaller than US size US Medium=China Large:Length:28.35"(72cm), Chest:41.73"(106cm), Shoulder:17.72"(45cm), Sleeve:24.80"(63cm) US Large=China X-Large:Length:29.13"(74cm), Chest:43.31"(110cm), Shoulder:18.11"(46cm), Sleeve:25.20"(64cm) US X-Large=China 2X-Large:Length:29.92"(76cm), Chest:44.88"(114cm), Shoulder:18.50"(47cm), Sleeve:25.98"(66cm) US 2X-Large=China 3X-Large:Length:30.71"(78cm), Chest:46.46"(118cm), Shoulder:18.90"(48cm), Sleeve:26.38"(67cm)